From: Darrick J. Wong <djwong@xxxxxxxxxx>
V4 symlink blocks didn't have headers, so return early if this is a V4
filesystem.
Cc: <stable@xxxxxxxxxxxxxxx> # v5.1
Fixes: 39708c20ab5133 ("xfs: miscellaneous verifier magic value fixups")
Signed-off-by: "Darrick J. Wong" <djwong@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
fs/xfs/libxfs/xfs_symlink_remote.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/xfs/libxfs/xfs_symlink_remote.c b/fs/xfs/libxfs/xfs_symlink_remote.c
index f228127a88ff26..fb47a76ead18c2 100644
--- a/fs/xfs/libxfs/xfs_symlink_remote.c
+++ b/fs/xfs/libxfs/xfs_symlink_remote.c
@@ -92,8 +92,10 @@ xfs_symlink_verify(
struct xfs_mount *mp = bp->b_mount;
struct xfs_dsymlink_hdr *dsl = bp->b_addr;
+ /* no verification of non-crc buffers */
if (!xfs_has_crc(mp))
- return __this_address;
+ return NULL;
+
if (!xfs_verify_magic(bp, dsl->sl_magic))
return __this_address;
if (!uuid_equal(&dsl->sl_uuid, &mp->m_sb.sb_meta_uuid))
